Gigantic water vessel, permanently grounded in Southern Albania.

Explore a traditional Albanian dwelling that pays tribute to the region's rich history.

The largest Roman amphitheater in the Balkans once held over 20,000 people, but managed to lay hidden for hundreds of years.

The elliptical citadel resisted the advance of the mighty Ottomans several times, thanks to the military prowess of the "Dragon of Albania."

What happens when you cross a mayor and a painter?

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

Hundreds of thousands of concrete bunkers crowd Albania long after the fall of Communism.

A medieval bridge stretches over a sulfur-rich river that leads to year-round natural hot springs.

A naturally beautiful, seemingly bottomless deep blue spring.

This ominous Albanian fortress houses tanks and downed planes as a reminder of their victories over Western imperialism.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

On this Polish road, an optical illusion makes cars seem to roll uphill.

These 18th-century paintings of Warsaw were used to reconstruct the city after World War II.

This oddly beautiful water cistern is a techno-temple to the wet stuff and a multimedia masterpiece.

A 90-ton, gravity-defiant steam locomotive shoots for the skies in this bizarrely beautiful public artwork.

There are thousands of tributes and memorials to the King, but none quite like this one in a Kraków city park.

A striking public sculpture representing the period of martial law in Communist Poland.

The silly symbol for an underground protest group is now scattered around the city.

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.